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Tag Archives: medicine

Untested drugs bill a step closer

Untested drugs bill a step closer

unable to retrieve full-text contentA new law that would allow terminally-ill patients in England and Wales to be given untested medicines moves a step closer after receiving government backing. Continue reading

Lab-developed intestinal organoids form mature human tissue in mice

Lab-developed intestinal organoids form mature human tissue in mice

Researchers have successfully transplanted “organoids” of functioning human intestinal tissue grown from pluripotent stem cells in a lab dish into mice — creating an unprecedented model for studying diseases of the intestine. Continue reading

‘Mega’ cells control growth of blood-producing cells

‘Mega’ cells control growth of blood-producing cells

While megakaryocytes are best known for producing platelets that heal wounds, these “mega” cells found in bone marrow also play a critical role in regulating stem cells according to new research from the Stowers Institute for Medical Research. In fact, hematopoietic stem cells differentiate to generate megakaryocytes in bone marrow. The Stowers study is the first to show that hematopoietic stem cells (the parent cells) can be directly controlled by their own progeny (megakaryocytes). Continue reading

Gene duplications associated with autism evolved recently in human history

Gene duplications associated with autism evolved recently in human history

Human geneticists have discovered that a region of the genome associated with autism contains genetic variation that evolved in the last 250,000 years, after the divergence of humans from ancient hominids, and likely plays an important role in disease. Their findings were presented at the American Society of Human Genetics (ASHG) 2014 Annual Meeting in San Diego. Researchers at the University of Washington analyzed the genomes of 2,551 humans, 86 apes, one Neanderthal, and one Denisovan Continue reading

New test scans all genes simultaneously to identify single mutation causing child’s rare genetic disease

New test scans all genes simultaneously to identify single mutation causing child’s rare genetic disease

Audrey Lapidus adored her baby’s sunny smile and irresistible dimples, but grew worried when Calvin did not roll over or crawl by 10 months and suffered chronic digestive problems. Four neurologists dismissed his symptoms and a battery of tests proved inconclusive Continue reading

YouTube as peer support for severe mental illness

YouTube as peer support for severe mental illness

People with severe mental illness such as schizophrenia, schizoaffective disorder or bipolar disorder use a popular social media website like YouTube to provide and receive naturally occurring peer support, Dartmouth researchers report in the journal PLOS ONE. “What we found most surprising about our findings was that people with severe mental illness were so open about their illness experiences on a public social media website like YouTube,” said lead author John Naslund, A PhD student in health policy at The Dartmouth Institute for Health Policy & Clinical Practice. “We saw that people with severe mental illness did not appear to be concerned about the risks of openly sharing their personal illness experiences because they really wanted to help others with similar mental health problems.” Naslund and colleagues found that people with severe mental illness used YouTube to feel less alone and to find hope, to support and to defend each other, and to share personal stories and strategies for coping with day-to-day challenges Continue reading

YouTube as peer support for severe mental illness

YouTube as peer support for severe mental illness

People with severe mental illness such as schizophrenia, schizoaffective disorder or bipolar disorder use a popular social media website like YouTube to provide and receive naturally occurring peer support, Dartmouth researchers report in the journal PLOS ONE. Continue reading

Improving bladder function among people with spinal cord injuries

Improving bladder function among people with spinal cord injuries

People who have suffered spinal cord injuries are often susceptible to bladder infections, and those infections can cause kidney damage and even death. New UCLA research may go a long way toward solving the problem. A team of scientists studied 10 paralyzed rats that were trained daily for six weeks with epidural stimulation of the spinal cord and five rats that were untrained and did not receive the stimulation. Continue reading

Physicists sound warning to ‘nail beauty fanatics’

Physicists sound warning to ‘nail beauty fanatics’

The daily trimming of fingernails and toenails to make them more aesthetically pleasing could be detrimental and potentially lead to serious nail conditions. This is according to researchers at the University of Nottingham who have devised equations to identify the physical laws that govern nail growth, and used them to throw light on the causes of some of the most common nail problems, such as ingrown toe nails, spoon-shaped nails and pincer nails Continue reading

High-speed evolution in the lab: Geneticists evaluate cost-effective genome analysis

High-speed evolution in the lab: Geneticists evaluate cost-effective genome analysis

Life implies change. And this holds true for genes as well. Organisms require a flexible genome in order to adapt to changes in the local environment. Continue reading